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Printjmc
algebra junior
Problem
Compute the positive integer such that
Solution
We can write the equation as Then by the Integer Root Theorem, the integer root must be a factor of
Also, we can factor both sides as in particular, must be a positive factor of the right-hand side. Trying gives us which works.
Also, we can factor both sides as in particular, must be a positive factor of the right-hand side. Trying gives us which works.
Final answer
13